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1. H[infinity] ring spectra and their applications
by Bruner, R. R. 1950- (Robert Ray)
1986, Lecture notes in mathematics, ISBN 9783540164340, Volume 1176, vii, 388
Homology theory | Homotopy theory | Rings (Algebra) | Spectral theory (Mathematics)
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2. Structured ring spectra
by Baker, Andrew, 1953 and Richter, Birgit, 1971
2004, London Mathematical Society lecture note series, ISBN 9780521603058, Volume 315, 236
Within algebraic topology, the prominent role of multiplicative cohomology theories has led to a great deal of foundational research on ring spectra and in the... 
Categories (Mathematics) | Rings (Algebra) | Homotopy theory | Spectral theory (Mathematics)
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3. Full Text Modifying the solar spectrum to enhance silicon solar cell efficiency—An overview of available materials
by Strümpel, C and McCann, M and Beaucarne, G and Arkhipov, V and Slaoui, A and Švrček, V and del Cañizo, C and Tobias, I
Solar Energy Materials and Solar Cells, ISSN 0927-0248, 2007, Volume 91, Issue 4, pp. 238 - 249
There are three ways in which the cell efficiency of silicon solar cells may be improved by better exploitation of the solar spectrum: down-conversion (cutting... 
Silicon solar cells | Down-conversion | Up-conversion | Third Generation | Photoluminescence | CONTINUOUS-WAVE | photoluminescence | PHOTON CASCADE EMISSION | ENERGY & FUELS | ULTRAVIOLET EXCITATION | MATERIALS SCIENCE, MULTIDISCIPLINARY | CR3+ E-2 EMISSION | silicon solar cells | third generation | UP-CONVERSION LUMINESCENCE | 1.54 MU-M | ER3+-ZRO2 NANOCRYSTALS | ER3+-DOPED FLUOROINDATE-GLASSES | TRANSITION-METAL | down-conversion | ENERGY-TRANSFER | up-conversion | Solar energy industry
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4. Equivariant orthogonal spectra and S-modules
by Mandell, M. A and May, J. Peter and American Mathematical Society
2002, Memoirs of the American Mathematical Society, ISBN 9780821829363, Volume no. 755., ix, 108
Categories (Mathematics) | Homotopy theory
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5. Weil representation I
: intertwining distributions and discrete spectrum
by Rallis, Stephen and Schiffmann, Gerard
1980, Memoirs of the American Mathematical Society ; no. 231, ISBN 0821822314, Volume no. 231., iii, 203
Lie groups | Representations of groups | Spectral theory (Mathematics)
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6. Splitting theorems for certain equivariant spectra
by Lewis, L. G
2000, Memoirs of the American Mathematical Society, ISBN 9780821820469, Volume no. 686., ix, 89
Algebraic topology | Homotopy theory
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7. Full Text XSophe-Sophe-XeprView®. A computer simulation software suite (v. 1.1.3) for the analysis of continuous wave EPR spectra
by Hanson, Graeme R and Gates, Kevin E and Noble, Christopher J and Griffin, Mark and Mitchell, Anthony and Benson, Simon
Journal of Inorganic Biochemistry, ISSN 0162-0134, 05/2004, Volume 98, Issue 5, pp. 903 - 916
The XSophe-Sophe-XeprView computer simulation software suite enables scientists to easily determine spin Hamiltonian parameters from isotropic, randomly... 
Computer simulations | Continuous wave EPR spectra | Software suite | BIOCHEMISTRY & MOLECULAR BIOLOGY | COMPLEXES | ALGORITHM | ELECTRON-PARAMAGNETIC-RES | ESR LINEWIDTHS | computer simulations | continuous wave EPR spectra | NUMERICAL-ANALYSIS | POWDER SPECTRA | CHEMISTRY, INORGANIC & NUCLEAR | software suite | FREQUENCY | MAGNETIC-RESONANCE SPECTRA | SPIN-HAMILTONIAN PARAMETERS | SWEPT
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8. Selective separation and preconcentration of Th(iv) using organo-functionalized, hierarchically porous silica monoliths (Electronic supplementary information (ESI) available: 1H and 13C NMR spectra, 13C cross polarization (CP) and 29Si magic-angle spinning (MAS) NMR spectra, FT-IR spectra, plots of TGA–DTA, linear regression and the corresponding parameters of the kinetics and adsorption isotherm experiments, N2 sorption isotherms and mercury porosimetry data of the materials, XPS spectra of the monolithic materials saturated with Th(iv), and extraction chromatograms of the functionalized and passivated monolithic materials. See DOI: 10.1039/c8ta07952h)
by Yimu Hu and Simon Giret and Rafael Meinusch and Jongho Han and Frédéric-Georges Fontaine and Freddy Kleitz and Dominic Larivière
Journal of Materials Chemistry. A, Materials for Energy and Sustainability, ISSN 2050-7488, 01/2019, Volume 7, Issue 1, pp. 289 - 302
The potential application of thorium (Th) as nuclear fuel, as well as the environmental and public health concerns associated with it, promotes the development... 
Fixed beds | Infrared spectroscopy | Ammonium | Separation | Nuclear magnetic resonance--NMR | Cross polarization | Selectivity | Minerals | Silica | Sustainable development | Silicon dioxide | Uranium | Hydrothermal treatment | Rare earth elements | Aqueous solutions | Leachates | Public health | Carbon 13 | Ions | Data processing | Industrial applications | Differential thermal analysis | Spectra | Economic conditions | Continuous flow | Ammonium hydroxide | Nuclear fuels | Adsorption | Isotherms | Sustainable materials | Kinetics | Mercury | Thorium | Mercury (metal)
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9. Probing the gas-phase structure of charge-tagged intermediates of a proline catalyzed aldol reaction – vibrational spectroscopy distinguishes oxazolidinone from enamine species (Electronic supplementary information (ESI) available: Picture of the continuous flow mixing-tee setup, mass spectra, additional IRMPD spectra, a Boltzmann-averaged calculated IR-spectrum, optimized geometries from DFT calculations, and synthetic procedures. See DOI: 10.1039/c8cp04905j)
by J Alexander Willms and Jandro Vidic and Janosch Barthelmes and Vincent Steinmetz and Thomas Bredow and Philippe Maître and Marianne Engeser
Physical Chemistry Chemical Physics : PCCP, ISSN 1463-9076, 01/2019, Volume 21, Issue 5, pp. 2578 - 2586
An l-proline based catalyst with a charged phenyl-pyridium substituent (1) was used to analyze intermediates of an organocatalyzed aldol reaction by infrared... 
Mathematical analysis | Ionization | Vapor phases | Proline | Density functional theory | Ions | Infrared analysis | Aldehydes | Mass spectrometry | Mass spectra | Continuous flow | Solid phases
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10. Full Text The importance of specific solvent–solute interactions for studying UV–vis spectra of light-responsive molecular switches
by Dimić, Dušan
Comptes rendus - Chimie, ISSN 1631-0748, 11/2018, Volume 21, Issue 11, pp. 1001 - 1010
Short-range interactions between solvents and molecular switches influence their structure, electronic transitions, and stability. The explicit solvent... 
Photoswitches | Molecular switches | QTAIM | Aroyl hydrazones | Explicit solvent | IRON CHELATORS | PHOTOSWITCHING CHELATOR | THERMOCHEMISTRY | AB-INITIO | ISOMERIZATION | CHEMISTRY, MULTIDISCIPLINARY | TRANSITION | DFT | HYDRAZONE | PHOTOCHEMISTRY | ABSORPTION | Density functionals | Hydrogen | Analysis | Quantum theory
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11. Full Text Isomer distribution in α-Keggin structures [XW12−nVnO40]−(q+n) X = Si, P (0 ≤ n ≤ 4): A DFT study of free energy and vibrational spectra
by Pinheiro, Pedro Schames and Rocha, Alexandre Braga and Eon, Jean-Guillaume and Bonfim, Rodrigo de Paiva Floro and Sanches, Sabrina Guimarães
Comptes rendus - Chimie, ISSN 1631-0748, 10/2016, Volume 19, Issue 10, pp. 1352 - 1362
Potassium salts of Keggin anions with tungsten and vanadium as addenda atoms ([α-PV W O ] 0 ≤   ≤ 4 and [α-SiV W O ] 0 ≤   ≤ 3) were prepared and analyzed by... 
DFT | Infrared | Raman spectroscopy | Heteropolyanions | Keggin structures | SELECTIVE OXIDATION | PHOSPHOTUNGSTIC ACID | NMR-SPECTROSCOPY | AB-INITIO | PROPANE | CHEMISTRY, MULTIDISCIPLINARY | PHASE | VANADIUM | OXIDATIVE DEHYDROGENATION
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12. Full Text Chiral Ramachandran Plots II: General Trends and Protein Chirality Spectra
by Wang, Huan and Avnir, David and Tuvi-Arad, Inbal
Biochemistry, ISSN 0006-2960, 11/2018, Volume 57, Issue 45, pp. 6395 - 6403
The degree of chirality of protein backbone residues is used to enrich the Ramachandran plot (RP) and create three-dimensional chiral RPs with much more... 
QUANTITATIVE CHIRALITY | RECOGNITION | PROLINE | BIOCHEMISTRY & MOLECULAR BIOLOGY | CONTINUOUS SYMMETRY MEASURES
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13. Full Text K-Theory and Perturbations of Absolutely Continuous Spectra
by Voiculescu, Dan-Virgil
Communications in Mathematical Physics, ISSN 0010-3616, 1/2019, Volume 365, Issue 1, pp. 363 - 373
We study the K 0-group of the commutant modulo a normed ideal of an n-tuple of commuting Hermitian operators in some of the simplest cases. In case n = 1, the... 
Quantum Physics | Mathematical Physics | Classical and Quantum Gravitation, Relativity Theory | Theoretical, Mathematical and Computational Physics | Complex Systems | Physics | PHYSICS, MATHEMATICAL | ALGEBRAS
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14. Full Text Modular 128-Channel \Delta - \Delta \Sigma Analog Front-End Architecture Using Spectrum Equalization Scheme for 1024-Channel 3-D Neural Recording Microsystems
by Sung-Yun Park and Jihyun Cho and Kyounghwan Na and Euisik Yoon
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 02/2018, Volume 53, Issue 2, pp. 501 - 514
We report an area- and energy-efficient integrated circuit architecture of a 128-channel Δ-modulated ΔΣ analog front-end (Δ-ΔΣ AFE) for 1024-channel 3-D... 
Power demand | spectrum equalization | Neurons | energy-area product | massive-parallel | Δ-modulated ΔΣ analog front-end (Δ-ΔΣ AFE) | Electrodes | low power | Silicon | Δ-modulation | System-on-chip | Probes | continuous-time (CT) ΔΣ | neural recording microsystem | ADC | DESIGN | continuous-time (CT) Delta Sigma | Delta-modulated Delta Sigma analog front-end (Delta-Delta Sigma AFE) | Delta-modulation | PROBES | ENGINEERING, ELECTRICAL & ELECTRONIC | OPERATION | CMOS | Energy consumption | Noise levels | Architecture | Analog circuits | Recording | Equalization | Modularity | Form factors | Signal integrity
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15. Full Text Opportunistic Spectrum Access in Cognitive Radio Networks Under Imperfect Spectrum Sensing
by Altrad, O and Muhaidat, S and Al-Dweik, A and Shami, A and Yoo, P. D
IEEE Transactions on Vehicular Technology, ISSN 0018-9545, 02/2014, Volume 63, Issue 2, pp. 920 - 925
In this paper, we investigate the effect of imperfect sensing on the performance of opportunistic spectrum access (OSA) in cognitive radio (CR) networks. We... 
Access control | cognitive radio (CR) | Educational institutions | continuous-time Markov chain (CTMC) | utilization | Steady-state | Cognitive radio | Handheld computers | spectrum sensing | Markov processes | Sensors | Mathematical model | spectrum management | ENERGY DETECTION | TRANSPORTATION SCIENCE & TECHNOLOGY | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC | Usage | Distribution (Probability theory) | Time-series analysis | Performance evaluation | Networks | Simulation | Mathematical analysis | Pressing | Blocking | Detection
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16. Full Text Continuous spectrum, point spectrum and residual spectrum of operator matrices
by Zhang, Shifang and Wu, Zhenying and Zhong, Huaijie
Linear Algebra and Its Applications, ISSN 0024-3795, 2010, Volume 433, Issue 3, pp. 653 - 661
Let denote a 2 × 2 upper triangular operator matrix of the form , which is acting on the sum of Banach spaces or Hilbert spaces . In this paper, the sets and... 
Operator matrices | The continuous spectrum | The point spectrum | The residual spectrum | MATHEMATICS, APPLIED
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17. Full Text Optical absorption and magnetic circular dichroism spectra of thiouracils: A quantum mechanical study in solution
by Martinez-Fernandez, L and Fahleson, T and Norman, P and Santoro, F and Coriani, S and Improta, R and Teoretisk kemi och biologi and Skolan för bioteknologi (BIO) and KTH
Photochemical and Photobiological Sciences, ISSN 1474-905X, 2017, Volume 16, Issue 9, pp. 1415 - 1423
The excited electronic states of 2-thiouracil, 4-thiouracil and 2,4-dithiouracil, the analogues of uracil where the carbonyl oxygens are substituted by sulphur... 
POLARIZABLE CONTINUUM MODEL | PHOTODYNAMIC THERAPY | CORRELATED MOLECULAR CALCULATIONS | BIOCHEMISTRY & MOLECULAR BIOLOGY | CHEMISTRY, PHYSICAL | AQUEOUS-SOLUTION | BIOPHYSICS | NUCLEIC-ACID BASES | EXCITED-STATE BEHAVIOR | GAS-PHASE | RESPONSE THEORY | GAUSSIAN-BASIS SETS | TD-DFT | Biological Sciences | Biochemistry and Molecular Biology | Naturvetenskap | Natural Sciences | Biokemi och molekylärbiologi | Biologiska vetenskaper
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18. Full Text Development of potent in vivo mutagenesis plasmids with broad mutational spectra
by Badran, Ahmed H and Liu, David R
Nature Communications, ISSN 2041-1723, 10/2015, Volume 6, Issue 1, pp. 8425 - 8425
Methods to enhance random mutagenesis in cells offer advantages over in vitro mutagenesis, but current in vivo methods suffer from a lack of control, genomic... 
CONTINUOUS DIRECTED EVOLUTION | SUBSTITUTION | GENE | PROTEIN EVOLUTION | MULTIDISCIPLINARY SCIENCES | ESCHERICHIA-COLI | POLYMERASE | MISMATCH REPAIR | SELECTION | NEGATIVE MUTATOR MUTATIONS | DNA-REPLICATION | Genetic Engineering - methods | Mutagenesis - genetics | Viral Proteins - genetics | Lac Operon - genetics | DNA-Directed RNA Polymerases - genetics | Genetic Techniques | Promoter Regions, Genetic - genetics | Bacteriophage T3 - genetics | Escherichia coli - genetics | Plasmids - genetics | Escherichia coli Proteins - genetics | High-Throughput Nucleotide Sequencing | Mutation | Drug Resistance, Bacterial - genetics | Genetic Vectors | Index Medicus
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19. Full Text Continuous maps preserving local spectra of matrices
by Costara, Constantin
Linear Algebra and Its Applications, ISSN 0024-3795, 03/2016, Volume 492, pp. 1 - 8
We characterize continuous maps on matrix spaces which compress/expand the local spectrum at each vector. We also characterize continuous maps on matrices... 
Local inner spectral radius | Nonlinear preserver | Continuous maps | Local spectrum | MATHEMATICS | MATHEMATICS, APPLIED
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20. Full Text Analysis of Efficient Spectrum Handoff in a Multi-Class Hybrid Spectrum Access Cognitive Radio Network Using Markov Modelling
by Shakeel, Atif and Hussain, Riaz and Iqbal, Adeel and Khan, Irfan Latif and Hasan, Qadeer ul and Malik, Shahzad Ali
Sensors, ISSN 1424-8220, 09/2019, Volume 19, Issue 19, p. 4120
Cognitive radio networks (CRNs) rely on sensing of the licensed spectrum of a primary network to dynamically ascertain underutilized portion of the spectrum,... 
cognitive radio | extended data delivery time | continuous time Markov chain | delay-sensitive | hybrid interweave-underlay spectrum access | quality of service | spectrum handoff
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